A simple scheme for determining multiplicity in carbon-13 NMR spectra
β Scribed by Feng-Kui Pei; Ray Freeman
- Book ID
- 103187861
- Publisher
- Elsevier Science
- Year
- 1982
- Weight
- 310 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0022-2364
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π SIMILAR VOLUMES
A software package which allows the correct determination of individual relaxation times for all the nonequivalent nuclei in poorly resolved NMR spectra is described. The procedure used, based on the fitting of each spectrum in the series recorded in the relaxation experiment, should improve the ana
## Abstract Carbonβ13 spectra of twelve chlorofluoropyridines (C~5~CI~n~F~5βn~N), of known structure, have been assigned and an assessment has been made of the degree of additivity of substituent chemical shifts (SCS). Reasonable additivity is observed for pyridine derivatives but little regulatiry
Carbon-13 chemical shifts are reported for 16 para-substituted phenyl isothiocyanates measured at 1 and 1Omol 9'0 in chloroform-d solution. Data for the -N=C==S group were not obtained at lmol 9'0, but concentration effects for the other resonances were negligible. Hammett, dual substituent paramete